Not really: These are viral, chlorhex is for bacteria. Try warm salt water rinses. Mostly a matter of waiting 10 -14 days to go away. Good luck.
Answered 4/24/2015
3.3k views
No: Canker sore is the most common oral lesions. Individual ulcers typically last 1-2 weeks. The dental laser offers immediate relief from the pain of these sores. See your dentist.
Answered 7/15/2019
3.3k views
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